Abstract

Modern window-based user interfaces are actually a special kind of reactive system, and Petri nets may be fruitfully used to design such user — computer dialogues. This paper describes a software engineering tool aimed at supporting the use of high-level Petri nets for the specification, design and implementation of user interfaces in an event-driven interface system. We assess the rationale for the use of Petri nets in such a perspective. We then detail the object-oriented software architecture of the environment, and present an original algorithm for interpreting high-level Petri nets in an event-driven environment.Key-wordsUser InterfaceDesignComputer tools for netsHigh-level Petri nets

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